From b770ed1d9940230d4bd97113abdc220ca7d8eb1a Mon Sep 17 00:00:00 2001
From: lain <lain@soykaf.club>
Date: Tue, 27 Aug 2019 17:56:28 -0500
Subject: [PATCH] CommonAPI: Support emoji reactions.

---
 lib/pleroma/web/common_api/common_api.ex | 10 ++++++++++
 test/web/common_api/common_api_test.exs  | 14 ++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/lib/pleroma/web/common_api/common_api.ex b/lib/pleroma/web/common_api/common_api.ex
index 5faddc9f4..3e1aa4818 100644
--- a/lib/pleroma/web/common_api/common_api.ex
+++ b/lib/pleroma/web/common_api/common_api.ex
@@ -123,6 +123,16 @@ defmodule Pleroma.Web.CommonAPI do
     end
   end
 
+  def react_with_emoji(id, user, emoji) do
+    with %Activity{} = activity <- Activity.get_by_id(id),
+         object <- Object.normalize(activity) do
+      ActivityPub.react_with_emoji(user, object, emoji)
+    else
+      _ ->
+        {:error, dgettext("errors", "Could not add reaction emoji")}
+    end
+  end
+
   def vote(user, object, choices) do
     with "Question" <- object.data["type"],
          {:author, false} <- {:author, object.data["actor"] == user.ap_id},
diff --git a/test/web/common_api/common_api_test.exs b/test/web/common_api/common_api_test.exs
index f28a66090..7cb1202fc 100644
--- a/test/web/common_api/common_api_test.exs
+++ b/test/web/common_api/common_api_test.exs
@@ -222,6 +222,20 @@ defmodule Pleroma.Web.CommonAPITest do
   end
 
   describe "reactions" do
+    test "reacting to a status with an emoji" do
+      user = insert(:user)
+      other_user = insert(:user)
+
+      {:ok, activity} = CommonAPI.post(other_user, %{"status" => "cofe"})
+
+      {:ok, reaction, _} = CommonAPI.react_with_emoji(activity.id, user, "👍")
+
+      assert reaction.data["actor"] == user.ap_id
+      assert reaction.data["content"] == "👍"
+
+      # TODO: test error case.
+    end
+
     test "repeating a status" do
       user = insert(:user)
       other_user = insert(:user)